Table 2 

Average pretest, posttest, and normalized change <c> scores

CoursePretestaPosttesta<c>a,b
Majors #137.8 (1.1)78.6 (1.2)66.6 (1.6)
Majors #238.2 (1.4)76.2 (1.5)61.6 (2.2)
Majors #337.3 (0.9)67.8 (1.1)49.6 (1.5)
Majors #438.2 (1.3)75.9 (1.4)61.5 (2.0)
Nonmajors #131.7 (1.3)62.5 (2.2)45.6 (3.0)
Nonmajors #229.6 (1.4)58.1 (2.2)40.3 (3.1)
All students36.6 (0.5)71.0 (0.6)55.2 (0.9)
  • a The standard error of the mean is in parentheses.

  • b See Methods for a description of the normalized change equation.